A. doesn't fix it. It just adds a comma splice. But the thoughts are not made clear, and are still hard to understand.
You can fix a run-on by adding a semi-colon in the two independent sentences, like in d, separating the sentences to two individual sentences, like in c, and you can add a comma and coordinating conjunction like in b. Know this and you should be able to master run-on sentences.
Answer:
C.Both ads promote a culture of safety
Explanation:
The statement above is FALSE.
Homonyms refers to two or more words which have the same spelling, the same sound but different meaning. The three words given above, that is, Mary, Marry and Merry do not have the same spelling and sound, therefore, they are not homonyms.